Additional information
| Brand | Essom |
|---|
Turbo Jet Engine – 70N Thrust
The engine is a small turbo jet engine and modified for educational purposes. The unit has a radial flow compressor and an axial flow turbine as in modern jet plane.
Inlet air through an orifice flow measuring device is compressed by a single stage radial flow compressor. The turbine is motor started and runs on Jet A fuel. Fuel is injected and ignited in the combustion chamber providing hot gas for a single stage axial flow turbine which inturn drives the compressor. The gas is exhausted through a nozzle at high velocity providing a thrust. The turbine runs on ceramic bearings. Lubrication is provided by jet oil in the fuel, and no separate lubrication system is required. A fan is provided for engine cooling.
An Electronic Control Unit (ECU) controls the basic turbine operation. Additional instruments are provided for monitoring and controlling engine operation and performance.
A touch screen computer with an interface unit, and software are provided for speed control, data display and analysis, and to assist the ECU.
A transparent engine cover and over speed shutdown are provided.
Instruction manual is also included.
TYPICAL EXPERIMENTS
- Understanding the thermodynamic process
- Static thrust vs turbine speed
- Power input and output and propulsive efficiency.
TECHNICAL DATA
| Engine construction | |
| – Diffuser | High strength aluminium. |
| – Combustion chamber | Stainless steel. |
| – Turbine | Vacuum cast inconel. |
| – Compressor | High grade aluminium alloy. |
| Engine performance specifications. | |
| – Maximum static thrust | Up to 70 N at approx. 150,000 rpm. |
| – Starting and running fuel | Jet A or Kerosene with jet oil. |
| Sensors | |
| – Temperatures | Inlet air, diffuser exit, turbine guide vane entry and exit and nozzle exit. |
| – Pressures | Diffuser exit and turbine exit. |
| – Thrust. | |
| – Speed. | |
| – Fuel flow rate. | |
| – Air flow rate | Differential pressure at inlet orifice. |
| Accessories |
|
| Power supply | 220V, 1 Ph, 50Hz. Other power supply is available on request. |
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